Greatest Common Factor of 82, 21, 86, 397

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 82, 21, 86, 397 by common division method
• Greatest Common Factor of 82, 21, 86, 397 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 82,21,86,397 . The biggest common factor number is the GCF number.
So the greatest common factor 82,21,86,397 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 51, 31, 64, 635
• GCF of 20, 84, 89, 999
• GCF of 44, 37, 32, 123
• GCF of 70, 13, 95, 522
• GCF of 75, 45, 50, 323

1. What is the GCF of 82, 21, 86, 397?

Answer: GCF of 82, 21, 86, 397 is 1.

2. How to Find the GCF of 82, 21, 86, 397

Answer: Greatest Common Factor(GCF) of 82, 21, 86, 397 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(82, 21, 86, 397) = 1.